SN/T 2005: Evolution and historical versions
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| SN/T 2005-2007 | English | RFQ |
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Beet downy mildew quarantine and identification method
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SN/T 2005-2007
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| SN/T 2005.1-2005 | English | 319 |
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Determination of polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products - Part 1: High Performance Liquid Chromatography
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SN/T 2005.1-2005
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Basic data | Standard ID | SN/T 2005-2007 (SN/T2005-2007) | | Description (Translated English) | Beet downy mildew quarantine and identification method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | G04;L04 | | Date of Implementation | 7/1/2008 | | Issuing agency(ies) | General Administration of Customs | SN/T 2005.1-2005: Determination of polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products - Part 1: High Performance Liquid Chromatography
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Determination of polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products - Part 1. High Performance Liquid Chromatography
Book of the People's Republic of China Entry and Exit Inspection and Quarantine
Polybrominated biphenyls in electrical and electronic products
And determination of polybrominated diphenyl ethers
Part 1. High performance liquid chromatography
Released on July 17,.2005
2006-01-18 implementation
People's Republic
The General Administration of Quality Supervision, Inspection and Quarantine issued
Foreword
This part is the first part of SN/T 2005.
Appendix A and Appendix B of this section are informative annexes.
This part is proposed and managed by the National Certification and Accreditation Administration.
This part is drafted by the Shenzhen Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, Jilin Province Entry and Exit Inspection and Quarantine
The bureau participated in the drafting.
The main drafters of this section. Yang Zuojun, Wang Chengyun, Liu Li, Wang Mingtai, Zhang Weiya, Wu Jingwu, Zhang Wei.
This section is the first industry standard for entry-exit inspection and quarantine.
Polybrominated biphenyls in electrical and electronic products
And determination of polybrominated diphenyl ethers
Part 1. High performance liquid chromatography
1 Scope
This section specifies the HPLC method for the determination of polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products.
This section applies to the determination of polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products.
2 Terms and definitions
The following terms and definitions apply to this section.
2.1
The structural formula of polybrominated biphenyl is shown in Figure 1.
Figure 1 Structure of polybrominated biphenyl
There are a total of 209 isomers of polybrominated biphenyls depending on the number and position of bromine atoms on the benzene ring.
2.2
The structural formula of polybrominated diphenyl ethers is shown in Figure 2.
Figure 2 Structure of polybrominated diphenyl ethers
There are a total of 209 isomers of polybrominated diphenyl ethers depending on the number and position of bromine atoms on the benzene ring.
3 Method summary
The sample was subjected to Soxhlet extraction using toluene as an extraction solvent, and the extract was subjected to concentration treatment and quantitative analysis by liquid chromatography.
4 reagents and materials
Unless otherwise stated, only analytically pure reagents and distilled or deionized water or water of comparable purity were used in the analysis.
4.1 Methanol. Chromatographically pure.
4.2 Disodium hydrogen phosphate.
4.3 Potassium dihydrogen phosphate.
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